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00020
00021 #include "kcharselect.h"
00022 #include "kcharselect.moc"
00023
00024 #include <qevent.h>
00025 #include <qfont.h>
00026 #include <qpen.h>
00027 #include <qbrush.h>
00028 #include <qpainter.h>
00029 #include <qcolor.h>
00030 #include <qlabel.h>
00031 #include <qhbox.h>
00032 #include <qkeycode.h>
00033 #include <qfontdatabase.h>
00034 #include <qstyle.h>
00035 #include <qtooltip.h>
00036
00037 #include <klocale.h>
00038 #include <kdebug.h>
00039 #include <kdialog.h>
00040 #include <kapplication.h>
00041
00042 QFontDatabase * KCharSelect::fontDataBase = 0;
00043
00044 void KCharSelect::cleanupFontDatabase()
00045 {
00046 delete fontDataBase;
00047 fontDataBase = 0;
00048 }
00049
00050
00051
00052
00053
00054
00055 KCharSelectTable::KCharSelectTable( QWidget *parent, const char *name, const QString &_font,
00056 const QChar &_chr, int _tableNum )
00057 : QGridView( parent, name ), vFont( _font ), vChr( _chr ),
00058 vTableNum( _tableNum ), vPos( 0, 0 ), focusItem( _chr ), focusPos( 0, 0 )
00059 {
00060 setBackgroundColor( colorGroup().base() );
00061
00062 setCellWidth( 20 );
00063 setCellHeight( 25 );
00064
00065 setNumCols( 32 );
00066 setNumRows( 8 );
00067
00068 repaintContents( false );
00069
00070 setToolTips();
00071
00072 setFocusPolicy( QWidget::StrongFocus );
00073 setBackgroundMode( QWidget::NoBackground );
00074 }
00075
00076
00077 void KCharSelectTable::setFont( const QString &_font )
00078 {
00079 vFont = _font;
00080 repaintContents( false );
00081
00082 setToolTips();
00083 }
00084
00085
00086 void KCharSelectTable::setChar( const QChar &_chr )
00087 {
00088 vChr = _chr;
00089 repaintContents( false );
00090 }
00091
00092
00093 void KCharSelectTable::setTableNum( int _tableNum )
00094 {
00095 focusItem = QChar( _tableNum * 256 );
00096
00097 vTableNum = _tableNum;
00098 repaintContents( false );
00099
00100 setToolTips();
00101 }
00102
00103
00104 QSize KCharSelectTable::sizeHint() const
00105 {
00106 int w = cellWidth();
00107 int h = cellHeight();
00108
00109 w *= numCols();
00110 h *= numRows();
00111
00112 return QSize( w, h );
00113 }
00114
00115
00116 void KCharSelectTable::resizeEvent( QResizeEvent * e )
00117 {
00118 int new_w = (e->size().width() - 2*(margin()+frameWidth())) / numCols();
00119 int new_h = (e->size().height() - 2*(margin()+frameWidth())) / numRows();
00120
00121 if( new_w != cellWidth())
00122 setCellWidth( new_w );
00123 if( new_h != cellHeight())
00124 setCellHeight( new_h );
00125
00126 setToolTips();
00127 }
00128
00129
00130 void KCharSelectTable::paintCell( class QPainter* p, int row, int col )
00131 {
00132 int w = cellWidth();
00133 int h = cellHeight();
00134 int x2 = w - 1;
00135 int y2 = h - 1;
00136
00137
00138
00139
00140
00141
00142 QFont font = QFont( vFont );
00143 font.setPixelSize( int(.7 * h) );
00144
00145 unsigned short c = vTableNum * 256;
00146 c += row * numCols();
00147 c += col;
00148
00149 if ( c == vChr.unicode() ) {
00150 p->setBrush( QBrush( colorGroup().highlight() ) );
00151 p->setPen( NoPen );
00152 p->drawRect( 0, 0, w, h );
00153 p->setPen( colorGroup().highlightedText() );
00154 vPos = QPoint( col, row );
00155 } else {
00156 QFontMetrics fm = QFontMetrics( font );
00157 if( fm.inFont( c ) )
00158 p->setBrush( QBrush( colorGroup().base() ) );
00159 else
00160 p->setBrush( QBrush( colorGroup().button() ) );
00161 p->setPen( NoPen );
00162 p->drawRect( 0, 0, w, h );
00163 p->setPen( colorGroup().text() );
00164 }
00165
00166 if ( c == focusItem.unicode() && hasFocus() ) {
00167 style().drawPrimitive( QStyle::PE_FocusRect, p, QRect( 2, 2, w - 4, h - 4 ),
00168 colorGroup() );
00169 focusPos = QPoint( col, row );
00170 }
00171
00172 p->setFont( font );
00173
00174 p->drawText( 0, 0, x2, y2, AlignHCenter | AlignVCenter, QString( QChar( c ) ) );
00175
00176 p->setPen( colorGroup().text() );
00177 p->drawLine( x2, 0, x2, y2 );
00178 p->drawLine( 0, y2, x2, y2 );
00179
00180 if ( row == 0 )
00181 p->drawLine( 0, 0, x2, 0 );
00182 if ( col == 0 )
00183 p->drawLine( 0, 0, 0, y2 );
00184 }
00185
00186
00187 void KCharSelectTable::mouseMoveEvent( QMouseEvent *e )
00188 {
00189 int row = rowAt( e->y() );
00190 int col = columnAt( e->x() );
00191 if ( row >= 0 && row < numRows() && col >= 0 && col < numCols() ) {
00192 QPoint oldPos = vPos;
00193
00194 vPos.setX( col );
00195 vPos.setY( row );
00196
00197 vChr = QChar( vTableNum * 256 + numCols() * vPos.y() + vPos.x() );
00198
00199 QPoint oldFocus = focusPos;
00200
00201 focusPos = vPos;
00202 focusItem = vChr;
00203
00204 repaintCell( oldFocus.y(), oldFocus.x(), true );
00205 repaintCell( oldPos.y(), oldPos.x(), true );
00206 repaintCell( vPos.y(), vPos.x(), true );
00207
00208 emit highlighted( vChr );
00209 emit highlighted();
00210
00211 emit focusItemChanged( focusItem );
00212 emit focusItemChanged();
00213 }
00214 }
00215
00216
00217 void KCharSelectTable::keyPressEvent( QKeyEvent *e )
00218 {
00219 switch ( e->key() ) {
00220 case Key_Left:
00221 gotoLeft();
00222 break;
00223 case Key_Right:
00224 gotoRight();
00225 break;
00226 case Key_Up:
00227 gotoUp();
00228 break;
00229 case Key_Down:
00230 gotoDown();
00231 break;
00232 case Key_Next:
00233 emit tableDown();
00234 break;
00235 case Key_Prior:
00236 emit tableUp();
00237 break;
00238 case Key_Space:
00239 emit activated( ' ' );
00240 emit activated();
00241 emit highlighted( ' ' );
00242 emit highlighted();
00243 break;
00244 case Key_Enter: case Key_Return: {
00245 QPoint oldPos = vPos;
00246
00247 vPos = focusPos;
00248 vChr = focusItem;
00249
00250 repaintCell( oldPos.y(), oldPos.x(), true );
00251 repaintCell( vPos.y(), vPos.x(), true );
00252
00253 emit activated( vChr );
00254 emit activated();
00255 emit highlighted( vChr );
00256 emit highlighted();
00257 } break;
00258 }
00259 }
00260
00261
00262 void KCharSelectTable::gotoLeft()
00263 {
00264 if ( focusPos.x() > 0 ) {
00265 QPoint oldPos = focusPos;
00266
00267 focusPos.setX( focusPos.x() - 1 );
00268
00269 focusItem = QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
00270
00271 repaintCell( oldPos.y(), oldPos.x(), true );
00272 repaintCell( focusPos.y(), focusPos.x(), true );
00273
00274 emit focusItemChanged( vChr );
00275 emit focusItemChanged();
00276 }
00277 }
00278
00279
00280 void KCharSelectTable::gotoRight()
00281 {
00282 if ( focusPos.x() < numCols()-1 ) {
00283 QPoint oldPos = focusPos;
00284
00285 focusPos.setX( focusPos.x() + 1 );
00286
00287 focusItem = QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
00288
00289 repaintCell( oldPos.y(), oldPos.x(), true );
00290 repaintCell( focusPos.y(), focusPos.x(), true );
00291
00292 emit focusItemChanged( vChr );
00293 emit focusItemChanged();
00294 }
00295 }
00296
00297
00298 void KCharSelectTable::gotoUp()
00299 {
00300 if ( focusPos.y() > 0 ) {
00301 QPoint oldPos = focusPos;
00302
00303 focusPos.setY( focusPos.y() - 1 );
00304
00305 focusItem = QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
00306
00307 repaintCell( oldPos.y(), oldPos.x(), true );
00308 repaintCell( focusPos.y(), focusPos.x(), true );
00309
00310 emit focusItemChanged( vChr );
00311 emit focusItemChanged();
00312 }
00313 }
00314
00315
00316 void KCharSelectTable::gotoDown()
00317 {
00318 if ( focusPos.y() < numRows()-1 ) {
00319 QPoint oldPos = focusPos;
00320
00321 focusPos.setY( focusPos.y() + 1 );
00322
00323 focusItem = QChar( vTableNum * 256 + numCols() * focusPos.y() + focusPos.x() );
00324
00325 repaintCell( oldPos.y(), oldPos.x(), true );
00326 repaintCell( focusPos.y(), focusPos.x(), true );
00327
00328 emit focusItemChanged( vChr );
00329 emit focusItemChanged();
00330 }
00331 }
00332
00333
00334 void KCharSelectTable::setToolTips()
00335 {
00336 for( int i=0 ; i< numRows(); i++ )
00337 {
00338 for( int j=0; j< numCols(); j++ )
00339 {
00340 QRect r( cellWidth()*j, cellHeight()*i, cellWidth(), cellHeight() );
00341 QToolTip::remove(this,r);
00342 QToolTip::add(this, r, i18n("Character code","UTF code: %1").arg(QString::number(vTableNum * 256 + numCols()*i + j)));
00343 }
00344 }
00345 }
00346
00347
00348
00349
00350
00351
00352 KCharSelect::KCharSelect( QWidget *parent, const char *name, const QString &_font, const QChar &_chr, int _tableNum )
00353 : QVBox( parent, name )
00354 {
00355 setSpacing( KDialog::spacingHint() );
00356 QHBox *bar = new QHBox( this );
00357 bar->setSpacing( KDialog::spacingHint() );
00358
00359 QLabel *lFont = new QLabel( i18n( "Font:" ), bar );
00360 lFont->resize( lFont->sizeHint() );
00361 lFont->setAlignment( Qt::AlignRight | Qt::AlignVCenter );
00362 lFont->setMaximumWidth( lFont->sizeHint().width() );
00363
00364 fontCombo = new QComboBox( true, bar );
00365 fillFontCombo();
00366 fontCombo->resize( fontCombo->sizeHint() );
00367
00368 connect( fontCombo, SIGNAL( activated( const QString & ) ), this, SLOT( fontSelected( const QString & ) ) );
00369
00370 QLabel *lTable = new QLabel( i18n( "Table:" ), bar );
00371 lTable->resize( lTable->sizeHint() );
00372 lTable->setAlignment( Qt::AlignRight | Qt::AlignVCenter );
00373 lTable->setMaximumWidth( lTable->sizeHint().width() );
00374
00375 tableSpinBox = new QSpinBox( 0, 255, 1, bar );
00376 tableSpinBox->resize( tableSpinBox->sizeHint() );
00377
00378 connect( tableSpinBox, SIGNAL( valueChanged( int ) ), this, SLOT( tableChanged( int ) ) );
00379
00380 charTable = new KCharSelectTable( this, name, _font.isEmpty() ? QVBox::font().family() : _font, _chr, _tableNum );
00381 QSize sz( charTable->contentsWidth() + 4 ,
00382 charTable->contentsHeight() + 4 );
00383 charTable->resize( sz );
00384
00385 charTable->setMinimumSize( sz );
00386 charTable->setHScrollBarMode( QScrollView::AlwaysOff );
00387 charTable->setVScrollBarMode( QScrollView::AlwaysOff );
00388
00389 setFont( _font.isEmpty() ? QVBox::font().family() : _font );
00390 setTableNum( _tableNum );
00391
00392 connect( charTable, SIGNAL( highlighted( const QChar & ) ), this, SLOT( charHighlighted( const QChar & ) ) );
00393 connect( charTable, SIGNAL( highlighted() ), this, SLOT( charHighlighted() ) );
00394 connect( charTable, SIGNAL( activated( const QChar & ) ), this, SLOT( charActivated( const QChar & ) ) );
00395 connect( charTable, SIGNAL( activated() ), this, SLOT( charActivated() ) );
00396 connect( charTable, SIGNAL( focusItemChanged( const QChar & ) ),
00397 this, SLOT( charFocusItemChanged( const QChar & ) ) );
00398 connect( charTable, SIGNAL( focusItemChanged() ), this, SLOT( charFocusItemChanged() ) );
00399 connect( charTable, SIGNAL( tableUp() ), this, SLOT( charTableUp() ) );
00400 connect( charTable, SIGNAL( tableDown() ), this, SLOT( charTableDown() ) );
00401
00402 connect( charTable, SIGNAL(doubleClicked()),this,SLOT(slotDoubleClicked()));
00403
00404 setFocusPolicy( QWidget::StrongFocus );
00405 setFocusProxy( charTable );
00406 }
00407
00408
00409 QSize KCharSelect::sizeHint() const
00410 {
00411 return QVBox::sizeHint();
00412 }
00413
00414
00415 void KCharSelect::setFont( const QString &_font )
00416 {
00417 QValueList<QString>::Iterator it = fontList.find( _font );
00418 if ( it != fontList.end() ) {
00419 QValueList<QString>::Iterator it2 = fontList.begin();
00420 int pos = 0;
00421 for ( ; it != it2; ++it2, ++pos);
00422 fontCombo->setCurrentItem( pos );
00423 charTable->setFont( _font );
00424 }
00425 else
00426 kdWarning() << "Can't find Font: " << _font << endl;
00427 }
00428
00429
00430 void KCharSelect::setChar( const QChar &_chr )
00431 {
00432 charTable->setChar( _chr );
00433 }
00434
00435
00436 void KCharSelect::setTableNum( int _tableNum )
00437 {
00438 tableSpinBox->setValue( _tableNum );
00439 charTable->setTableNum( _tableNum );
00440 }
00441
00442
00443 void KCharSelect::fillFontCombo()
00444 {
00445 if ( !fontDataBase ) {
00446 fontDataBase = new QFontDatabase();
00447 qAddPostRoutine( cleanupFontDatabase );
00448 }
00449 fontList=fontDataBase->families();
00450 fontCombo->insertStringList( fontList );
00451 }
00452
00453
00454 void KCharSelect::fontSelected( const QString &_font )
00455 {
00456 charTable->setFont( _font );
00457 emit fontChanged( _font );
00458 }
00459
00460
00461 void KCharSelect::tableChanged( int _value )
00462 {
00463 charTable->setTableNum( _value );
00464 }
00465
00466 void KCharSelectTable::virtual_hook( int, void*)
00467 { }
00468
00469 void KCharSelect::virtual_hook( int, void* )
00470 { }
00471